Telecommunication Journal, 47. sējums,1-296. lapaInternational Telecommunication Union., 1980 |
No grāmatas satura
1.–3. rezultāts no 52.
97. lappuse
... supply in the event of a failure or insufficient output of the primary power source . In almost any “ no - break " DC power supply system one will find a stor- age battery . Where power is available Consider , firstly , sites where a ...
... supply in the event of a failure or insufficient output of the primary power source . In almost any “ no - break " DC power supply system one will find a stor- age battery . Where power is available Consider , firstly , sites where a ...
98. lappuse
... supply output must be used effectively to recharge the battery . The power supply has two charging voltages , one 2.4 V / cell to enable unit to current limit for an extended period after which the unit automatically reverts to constant ...
... supply output must be used effectively to recharge the battery . The power supply has two charging voltages , one 2.4 V / cell to enable unit to current limit for an extended period after which the unit automatically reverts to constant ...
109. lappuse
... supply At present certain villages in certain devel- oping countries do not have a mains power supply either from the national grid or a regional generating station . In India , cur- rent plans are to provide electric power to all ...
... supply At present certain villages in certain devel- oping countries do not have a mains power supply either from the national grid or a regional generating station . In India , cur- rent plans are to provide electric power to all ...
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